supply of bolster for casnub 22 hs bogie as per rdso drawing no.-wd-92058-s / 3.bolster for casnub 22 hs bogie as per rdso drawing no.-wd-92058-s / 3., bolster for casnub 22 hs bogie as per rdso drawing no.-wd-92058-s / 3, alt- 8, item no.-1 fitted with 4 nos. bolster liner as per rdso drg. no.- wd-92058-s / 3, alt -7, item no.-2 & 8 nos. land surface liners as per wd-92058-s / 3, alt- 7, item no.-3 conforming to rdso specification no. wd-17-casnub-22hs-bogie-92 ( revision - 3 ) with 5 amendments. rdso drawing no.-wd-92058-s / 3, alt-7 spec: wd-17-casnub-22hs-bogi e-92 ( revision - 3 ) with 5 amendments. [ warranty period: 30 months after the date of delivery ]